import { Action, Reducer, CombinedState } from "redux";
/**
 * Union of all the allowed types of a RecursiveReducersMapObject
 */
export declare type RecursiveReducersMapObjectProperty<TState = any, TAction extends Action = Action> = Reducer<TState, TAction> | RecursiveReducersMapObject<TState, TAction> | null | undefined;
/**
 * A ReducersMapObject with multiple levels of nesting
 */
export declare type RecursiveReducersMapObject<TState = any, TAction extends Action = Action> = {
    [Key in keyof TState]: RecursiveReducersMapObjectProperty<TState[Key], TAction>;
};
/**
 * Takes a Reducers maps with multiple levels of nesting and turns it into in a single reducing function.
 *
 * @param map An object whose values are either reducing functions or other objects
 */
export declare function nestedCombineReducers<TState = any, TAction extends Action = Action>(map: RecursiveReducersMapObject<TState, TAction>): Reducer<CombinedState<TState>, TAction>;
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